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ELIspot displays a better detection over ELISA of T helper (Th) 2-type cytokine-production by ex vivo-stimulated antigen-specific T cells from human peripheral blood
Stockholm University, Faculty of Science, The Wenner-Gren Institute , Immunology.
Stockholm University, Faculty of Science, The Wenner-Gren Institute , Immunology.
2008 (English)In: Immunological Investigations, ISSN 0882-0139, E-ISSN 1532-4311, Vol. 37, no 4, 279-291 p.Article in journal (Refereed) Published
Abstract [en]

Detection of cytokines secreted by ex vivo antigen-stimulated peripheral blood mononuclear cells (PBMC) by ELISA is hampered by low frequencies of specific T cells and cellular receptor consumption. We investigated if ELISpot, measuring cytokine production at the single cell level, facilitated a better detection of the Th2 cytokines IL-4 and IL-5. PBMC from nickel-allergic (n = 31) and non-allergic subjects (n = 10) were stimulated with nickel or tetanus toxoid (TT) and cytokine production assessed by ELISpot and ELISA. By IL-4 ELISpot, 74% of the allergic and 0% control subjects responded to nickel and 56% of all subjects to TT. ELISA detected IL-4 after nickel stimulation only in 13% of the allergic subjects. Also detection of TT-induced IL-5 was improved by ELISpot with 54% subjects responding versus 24% in ELISA. In contrast, detection of nickel-induced IL-5 was more comparable between methods, most likely due to the 7-fold higher IL-5 production per cell in response to nickel versus IT. The low IL-5 response to TT was associated with a higher induction of the down-regulatory cytokine IL-10 by TT as compared to nickel (p < 0.001). Overall, ELISpot displayed a better detection of IL-4 as well as low intensity IL-5 responses thus emphasizing the importance of selecting suitable methods for the measurement of cytokine production ex vivo.

Place, publisher, year, edition, pages
2008. Vol. 37, no 4, 279-291 p.
Keyword [en]
ELISA, ELISpot, interleukin-4, interleukin-5, interleukin-10
National Category
Immunology
Identifiers
URN: urn:nbn:se:su:diva-58546DOI: 10.1080/08820130802083648ISI: 000256312100002OAI: oai:DiVA.org:su-58546DiVA: diva2:420974
Note
authorCount :3Available from: 2011-06-07 Created: 2011-06-03 Last updated: 2017-12-11Bibliographically approved

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